#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int year;
	for (year = 1000; year <= 2000; year++)
	{
		if (year % 100 == 0)
		{
			if (year % 400 == 0)
				printf("%d ", year);
		}
		else if (year % 4 == 0)
			printf("%d ", year);
	}
}